Решение шахматной задачи №64459
Мат в 4 хода |
a)
1.Be1-c3 ! threat:
2.Qh7-d3 threat:
3.Bc3-e5 threat:
4.Se3-c2 #
2...b4*c3
3.Qd3*c3 threat:
4.Se3-c2 #
2.Qh7-g6 zugzwang.
2...b4*c3
3.Qg6*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7-h2 zugzwang.
2...b4*c3
3.Qh2*d6 +
3...b5-b4
4.Se3-c4 #
3.Qh2-g3 zugzwang.
3...c3-c2
4.Se3*c2 #
3...Ka3-b4
4.Qg3*d6 #
3...b5-b4
4.Se3-c4 #
2.Qh7-h3 threat:
3.Bc3-e5 threat:
4.Se3-c2 #
2...b4*c3
3.Qh3-g3 zugzwang.
3...Ka3-b4
4.Qg3*d6 #
3...c3-c2
4.Se3*c2 #
3...b5-b4
4.Se3-c4 #
2.Qh7-h4 zugzwang.
2...b4*c3
3.Qh4-g3 zugzwang.
3...c3-c2
4.Se3*c2 #
3...Ka3-b4
4.Qg3*d6 #
3...b5-b4
4.Se3-c4 #
2.Qh7-h6 zugzwang.
2...b4*c3
3.Qh6*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7*d7 zugzwang.
2...b4*c3
3.Qd7*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7-e7 zugzwang.
2...b4*c3
3.Qe7*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7-g7 zugzwang.
2...b4*c3
3.Qg7*c3 threat:
4.Se3-c2 #
2.Qh7-h8 zugzwang.
2...b4*c3
3.Qh8*c3 threat:
4.Se3-c2 #
2.Bc3-e5 threat:
3.Qh7-d3 threat:
4.Se3-c2 #
3.Qh7-h3 threat:
4.Se3-c2 #
1...b4*c3
2.Qh7-g6 threat:
3.Qg6*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7-h2 threat:
3.Qh2*d6 +
3...b5-b4
4.Se3-c4 #
3.Qh2-g3 zugzwang.
3...c3-c2
4.Se3*c2 #
3...Ka3-b4
4.Qg3*d6 #
3...b5-b4
4.Se3-c4 #
2...c3-c2
3.Qh2*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7-h6 threat:
3.Qh6*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7*d7 threat:
3.Qd7*d6 +
3...b5-b4
4.Se3-c4 #
2.Qh7-e7 threat:
3.Qe7*d6 +
3...b5-b4
4.Se3-c4 #
b) bPd7-->d4
1.Qh7-c7 ! threat:
2.Qc7*a5 threat:
3.Qa5*b4 #
3.Be1*b4 #
1...d4-d3
2.Qc7-c4 threat:
3.Be1-d2 zugzwang.
3...b5*c4
4.Se3*c4 # |